And this may be cool enough to keep foods fresh, at least for a short time.

VOA: special.2009.11.30

A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.

VOA: special.2010.06.09

And Ekin? "I check my account at least one time a day.

VOA: special.2009.09.14

"It will for a long time, at least while I am alive. And it is not just trucks and heavy machinery.

VOA: standard.2009.09.02

Staying in power, at least for the mean time, is President Karzai.

VOA: standard.2009.09.12